verb (used with object)
to remove the color from; deprive of color; bleach.
Also especially British, de·col·our.
Origin of decolor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for decolour
Historical Examples of decolour
Used to decolour syrups, &c.; and occasionally by the distillers and rectifiers.
decolorize or decolorise
(tr) to deprive of colour, as by bleaching
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012